Secondary Education Examination (SEE)
Science and Technology
2081 (2025) · Gandaki · English medium
ℹ️ Give the answers in your own creative style based on the given instructions. Figures in the margin indicate the full marks. Attempt all the questions.
Section 'A' — Multiple Choice Questions
Choose the best alternative and write in the answer sheet. (10×1=10)
- 1
a)Which one of the following is the correct relation between nibble and byte?1
a1 nibble = 4 byteb2 nibble = 1 bytec4 nibble = 1 byted8 nibble = 1 byteb)Identify the characteristics of the animal that belongs to phylum coelenterata.1
aIt's body has numerous poresbIt is found on landcIt moves with the help of tentaclesdIt is unicellularc)Which one of the given genetic code represents the body of male human?1
a22 + yb44 + xyc44 + xxd22 + xd)What is the relationship between weight of object (w) and acceleration due to gravity (g)?1
aW = gbW ∝ gcW ∝ 1/gdW = 2ge)What could be the gravitational force produced between object A and B in the given hypothetical condition shown in the figure?1
a6.67 × 10⁻¹⁰ Nb6.67 × 10⁻¹¹ Nc6.67 × 10⁻¹² Nd6.67 × 10⁻¹³ Nf)Which one of the following statement is correct about electromagnetic wave?1
aWavelength and frequency of violet ray are the highestbWavelength of violet ray is less and frequency is highcWavelength and frequency of violet ray is the lowestdWavelength of violet ray is maximum and frequency is lessg)As shown in the figure, if the magnet is inserted into the solenoid, the needle of galvanometer is deflected. What could be the reason for this?1
amotor effectbelectromagnetic inductioncmutual inductiondmagnetic effect of currenth)A metal element has one electron in its valence shell. When this element reacts with halogen of third period, which compound is produced of the following?1
aMgCl₂bCaCl₂cKCldNaBri)Why is it important to know a person's blood type before blood transfusion?1
aTo know person's overall healthbTo identify possible genetic disordercTo prevent the possible fatal risk of the persondTo determine person's blood pressurej)Which of the following group is a chemical insecticide?1
aDDT, BHC, aldrinbpotassium chloride, benzene, benzoic acidcmethoxy chloride, benzene, benzoic aciddpotassium chloride, sodium lauryl sulphate, di-aldrin
Section 'B'
Write very short answer to the following questions. (9×1=9)
- 2
a)Write a precaution to be taken for digital well being.1
b)Write Archimedes' principle.1
c)Write a reason of using water as a cooling agent.1
d)Draw a ray diagram to show total internal reflection when a ray of light passes from water to air.1
e)Write any one way to increase the amount of induced electricity in dynamo.1
f)Write a use of organic compound given in the figure.1
g)Draw a time current graph of alternating current.1
h)Write a general molecular formula of alkyne.1
i)Write a difference between ethane and ethene.1
Section 'C'
Write short answer to the following questions. (14×2=28)
- 3
Test the validity of the equation given below by unit wise analysis. v² = u² + 2as2
- 4
In which division are moss and banana kept?2
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